<template>
  <header class="head-nav">
    <el-row>
      <el-col :span="6" class="logo-container">
        <img src="../assets/logo.png" class="logo" alt="">
        <span>chen在线管理系统</span>
      </el-col>
      <el-col :span="6" class="user">
        <div class="userinfo">
          <!--用户头像-->
          <img src="user.avatar" class="avatar" alt="">
          <div class="welcome">
            <p class="name weolcome">欢迎</p>
            <p class="name avatarname">{{user.name}}</p>
          </div>
          <span class="username">
            <!--下拉箭头-->
            <el-dropdown trigger="click" @command="setDialogInfo">
            <span class="el-dropdown-link">
              下拉菜单<i class="el-icon-caret-down el-icon--right"></i>
            </span>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item command="info">个人信息</el-dropdown-item>
              <el-dropdown-item command="logout">退出</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>

          </span>
        </div>
      </el-col>
    </el-row>
  </header>
</template>
<script>
export default {
  name:"head-nav",
  computed: {
    user(){
      return this.$store.getters.user;
    }
  },
  methods:{
    setDialogInfo(cmdItem){
      //console.log(cmdItem);
      switch(cmd){
        case "info":
          this.showInfoList();
          break;
        case "logout":
          this.logout();
          break;
      }
    },
    showInfoList(){
      this.$router.push("/infoshow");
      //console.log('个人信息！');
    },
    logout(){
      //console.log('退出');
      //清除token
      localStorage.removeItem("eleToken");
      //清除vuex store
      this.$store.dispatch('clearCurrentState');
      //跳转
      this.$router.push('/login');
    }
  }
};
</script>
<style scoped>
  .head-nav{
    width: 100%;
    height: 60%;
    min-width: 600%;
    padding: 5px;
    background: #324057;
    color:#fff;
    border-bottom: 1px solid #1f2d3d;
  }
  .logo-container{
    line-height: 60px;
    min-width: 400px;
  }
  .logo{
    height: 50px;
    width: 50px;
    margin: right;
    vertical-align: middle;
    display: inline-block;
  }
  .title{
    vertical-align: middle;
    font-size: 22px;
    letter-spacing: 3px;
  }
  .user{
    line-height: 60px;
    text-align: right;
    float: right;
    padding-right: 10px;
  }
  .avatar{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    vertical-align: middle;
    display: inline-block;
  }
  .welcome{
    display: inline-block;
    width: auto;
    vertical-align: middle;
    padding: 0 5px;
  }
  .name{
    line-height: 20px;
    text-align: center;
    font-size: 14px;

  }
  .comename{
    font-size: 12px;
  }
  .avatarname{
    color:#409eff;
    font-weight: bolder;
  }
  .username{
    cursor: pointer;
    margin-right: 5px;
  }

  .el-dropdown{
    color:#fff;
  }
</style>